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发明名称
Coloring material for lubricating oils
摘要
申请公布号
US2519868(A)
申请公布日期
1950.08.22
申请号
US19470741950
申请日期
1947.04.16
申请人
SINCLAIR REFINING COMPANY
发明人
ZEHNER EDWARD PAUL;HUNN OLEN DOYLE
分类号
C10M171/00
主分类号
C10M171/00
代理机构
代理人
主权项
地址
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